lexus is close behind but detroit's big three continue to lose ground against imports. the bottom three entries out of 20 name plates surveyed are all american. jeep, dodge and chevrolet. >> some pig changbig changes to and the benefit's plan. the world's largest provider will open domestic part nebraska ships for benefits. >>> when it comes to planning for retirement, many plan to wing it allowing fund managers to figure out their finances for them but fidelity, the nation's largest retirement provider found the average 401 k balance may not be enough to retire on and urging investors to take a more active role in planning for the financial futures. sharon ener epperson has more. >> i try to save 20% of what i make. >> reporter: but most are not saving enough. >> i think it's impossible to educate, clothe, provide piano lessons and feed your kids and save for retirement now. >> reporter: fidelity, the largest retirement provider found the average balance was 80 thorks ,600 and jumped for those employed in a workplace plan for the last ten years. the reality is for most